purelogs | 588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d

Analysis

max time kernel
122s
max time network
127s
platform
windows7_x64
resource
win7-20231023-en
resource tags

arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
submitted
03-12-2023 10:39

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
Size

1.5MB
MD5

6367fb0d52b90b807550b3eedbb277f0
SHA1

426f118550fa5006fbcab8c6d78b105600bf82c3
SHA256

588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d
SHA512

185171a50f2ce8d0742dc2e1fee5b2b91fd6884f899726495823124eed8b83094a9d570b04f7a9fbcaac56eca7e48a1c1679a3f284ea0ac3707340df1584b671
SSDEEP

24576:Aj3JaPnj1wF03rp/EKWVgdG2rhQpG458wNNqZ:Aj3JE1wclEKMgdGpGydNy

Score

10^/10

purelogs zgrat rat stealer

Malware Config

Signatures

Detect PureLogs payload 6 IoCs

resource	yara_rule
behavioral1/memory/2412-0-0x0000000001200000-0x000000000137A000-memory.dmp	family_purelogs
behavioral1/files/0x0016000000015cf0-2225.dat	family_purelogs
behavioral1/files/0x0016000000015cf0-2227.dat	family_purelogs
behavioral1/files/0x0016000000015cf0-2228.dat	family_purelogs
behavioral1/memory/1012-2230-0x00000000002D0000-0x000000000044A000-memory.dmp	family_purelogs
behavioral1/files/0x0016000000015cf0-2240.dat	family_purelogs

Detect ZGRat V1 28 IoCs

resource	yara_rule
behavioral1/memory/2592-21-0x000000001AF00000-0x000000001AFE4000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-22-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-23-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-25-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-27-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-29-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-31-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-33-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-35-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-37-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-39-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-41-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-43-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-45-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-47-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-49-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-51-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-53-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-55-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-57-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-59-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-61-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-63-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-65-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-67-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-69-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-71-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1
behavioral1/memory/2592-73-0x000000001AF00000-0x000000001AFE0000-memory.dmp	family_zgrat_v1

PureLogs
PureLogs is an infostealer written in C#.
stealer purelogs
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Executes dropped EXE 2 IoCs

pid	Process
1012	MajorRevision.exe
2020	MajorRevision.exe

Loads dropped DLL 1 IoCs

pid	Process
276	taskeng.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2412 set thread context of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 1012 set thread context of 2020	1012	MajorRevision.exe	34

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
1012	MajorRevision.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
Token: SeDebugPrivilege	2592	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
Token: SeDebugPrivilege	1012	MajorRevision.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 2412 wrote to memory of 2592	2412	588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe	29
PID 276 wrote to memory of 1012	276	taskeng.exe	33
PID 276 wrote to memory of 1012	276	taskeng.exe	33
PID 276 wrote to memory of 1012	276	taskeng.exe	33
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34
PID 1012 wrote to memory of 2020	1012	MajorRevision.exe	34

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
"C:\Users\Admin\AppData\Local\Temp\588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2412
- C:\Users\Admin\AppData\Local\Temp\588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
  C:\Users\Admin\AppData\Local\Temp\588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d.exe
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2592

C:\Windows\system32\taskeng.exe
taskeng.exe {C99C48EC-EC73-4D0A-BEF1-A8C94552B50B} S-1-5-21-2085049433-1067986815-1244098655-1000:AHLBRYJO\Admin:Interactive:[1]
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:276
- C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe
  C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1012
- - C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe
    C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe
    3⤵
    - Executes dropped EXE
    PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe

Filesize
1.5MB

MD5
6367fb0d52b90b807550b3eedbb277f0

SHA1
426f118550fa5006fbcab8c6d78b105600bf82c3

SHA256
588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d

SHA512
185171a50f2ce8d0742dc2e1fee5b2b91fd6884f899726495823124eed8b83094a9d570b04f7a9fbcaac56eca7e48a1c1679a3f284ea0ac3707340df1584b671

Download Submit
C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe

Filesize
1.5MB

MD5
6367fb0d52b90b807550b3eedbb277f0

SHA1
426f118550fa5006fbcab8c6d78b105600bf82c3

SHA256
588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d

SHA512
185171a50f2ce8d0742dc2e1fee5b2b91fd6884f899726495823124eed8b83094a9d570b04f7a9fbcaac56eca7e48a1c1679a3f284ea0ac3707340df1584b671

Download Submit
C:\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe

Filesize
1.5MB

MD5
6367fb0d52b90b807550b3eedbb277f0

SHA1
426f118550fa5006fbcab8c6d78b105600bf82c3

SHA256
588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d

SHA512
185171a50f2ce8d0742dc2e1fee5b2b91fd6884f899726495823124eed8b83094a9d570b04f7a9fbcaac56eca7e48a1c1679a3f284ea0ac3707340df1584b671

Download Submit
\Users\Admin\AppData\Local\IsFamilyOrAssembly\jfnzwamsj\MajorRevision.exe

Filesize
1.5MB

MD5
6367fb0d52b90b807550b3eedbb277f0

SHA1
426f118550fa5006fbcab8c6d78b105600bf82c3

SHA256
588506d91ec77a608a62417ea1d67204b1b173bd90af7e17cf52bbd0f03f7d2d

SHA512
185171a50f2ce8d0742dc2e1fee5b2b91fd6884f899726495823124eed8b83094a9d570b04f7a9fbcaac56eca7e48a1c1679a3f284ea0ac3707340df1584b671

Download Submit
memory/1012-2229-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/1012-2230-0x00000000002D0000-0x000000000044A000-memory.dmp

Filesize
1.5MB

Download
memory/1012-2244-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/2020-2246-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/2020-2245-0x000007FEF5100000-0x000007FEF5AEC000-memory.dmp

Filesize
9.9MB

Download
memory/2412-0-0x0000000001200000-0x000000000137A000-memory.dmp

Filesize
1.5MB

Download
memory/2412-6-0x00000000002F0000-0x000000000033C000-memory.dmp

Filesize
304KB

Download
memory/2412-19-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/2412-5-0x000000001B6A0000-0x000000001B768000-memory.dmp

Filesize
800KB

Download
memory/2412-4-0x000000001B030000-0x000000001B0F8000-memory.dmp

Filesize
800KB

Download
memory/2412-3-0x000000001B1C0000-0x000000001B240000-memory.dmp

Filesize
512KB

Download
memory/2412-2-0x0000000000CE0000-0x0000000000DC0000-memory.dmp

Filesize
896KB

Download
memory/2412-1-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/2592-37-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-53-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-21-0x000000001AF00000-0x000000001AFE4000-memory.dmp

Filesize
912KB

Download
memory/2592-22-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-23-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-25-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-27-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-29-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-31-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-33-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-35-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-18-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download
memory/2592-39-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-41-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-43-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-45-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-47-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-49-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-51-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-20-0x000000001B0E0000-0x000000001B160000-memory.dmp

Filesize
512KB

Download
memory/2592-55-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-57-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-59-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-61-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-63-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-65-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-67-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-69-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-71-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-73-0x000000001AF00000-0x000000001AFE0000-memory.dmp

Filesize
896KB

Download
memory/2592-15-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2592-13-0x000007FFFFFD7000-0x000007FFFFFD8000-memory.dmp

Filesize
4KB

Download
memory/2592-11-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2592-9-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2592-7-0x0000000000400000-0x00000000004AA000-memory.dmp

Filesize
680KB

Download
memory/2592-2220-0x0000000000140000-0x0000000000148000-memory.dmp

Filesize
32KB

Download
memory/2592-2221-0x0000000000700000-0x0000000000756000-memory.dmp

Filesize
344KB

Download
memory/2592-2222-0x00000000007E0000-0x0000000000834000-memory.dmp

Filesize
336KB

Download
memory/2592-2224-0x000007FEF57B0000-0x000007FEF619C000-memory.dmp

Filesize
9.9MB

Download